CAIE IGCSE Biology 18.3.6 Natural vs Artificial Selection
Practise comparing environmental selection pressures with human choice in artificial selection.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- contrast environmental selection pressure with humans choosing desired features
- state that artificial selection controls breeding and can reduce genetic variation
- recognise antibiotic resistance as natural selection rather than human selection of bacteria
18.3.6—Differences between natural question 1
[Maximum number: 3]
Describe how artificial selection differs from natural selection.
humans choose, specific feature(s) / desired features ; humans choose, individuals / offspring, to reproduce ; selection not influenced by environment / humans manipulate environment ;
decreases (genetic) variation / decreases size of gene pool ; faster / shorter ; for economic / aesthetic, reasons ; no / less, evolution ;
AVP ;
e.g. decrease in fitness
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